[coreboot] Maintain boot order for multiple EFI based OS

[Nico Huber]

Hi Sibi,

On 22.03.2017 14:20, Sibi.Rajasekaran at dell.com wrote:
> Dell - Internal Use - Confidential
please skip such folly when you write to a public mailing list.

> 
> Hi,
> 
> We are using the coreboot project with Intel fsp to boot the Intel
> Rangeley based Mohonpeak CPU. We have built the Tianocore EDK2 project
> and used it as the payload to bring UEFI services to this bootloader.
> With this payload, we are able to boot a EFI based OS successfully.

Nice.

> 
> As a next step, we are looking at installing multiple EFI OS and
> maintaining boot order among the OS.  How is boot order maintained with
> UEFI payload?  Is it through EFI NVRAM variables? If so, does coreboot
> support NVRAM variables?

IIRC, CorebootPayloadPkg doesn't support NVRAM. I'll CC some people who
might know the details.

Nico